HP 11at-nb000, Руководство по техническому обслуживанию и ремонту

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5. Remove the system board (4) by sliding it up and to the left at an angle.
NOTE: When replacing the system board, be sure to remove the heat sink from the defective system
board and install it on the replacement system board.
Reverse this procedure to install the system board.
Heat sink
To remove the heat sink, use these procedures and illustrations.
Table 5-9 Heat sink description
Description Spare part number
Heat sink not available as a spare
part
Before removing the heat sink, follow these steps:
1. Prepare the computer for disassembly ( Preparation for disassembly on page 21 ).
2. Remove the keyboard/top cover ( Keyboard/top cover on page 21 ).
3. Disconnect the battery cable from the system board (see Battery on page 25 ).
4. Remove the system board ( System board on page 30 ).
Remove the heat sink:
1. Position the system board upside down with the front toward you.
2. Remove the two Phillips M2.0 × 2.2 broad head screws (1) that secure the heat sink to the system board.
32 Chapter 5 Removal and replacement procedures for authorized service provider parts